10521253 has 2 divisors, whose sum is σ = 10521254. Its totient is φ = 10521252.

The previous prime is 10521241. The next prime is 10521263. The reversal of 10521253 is 35212501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8398404 + 2122849 = 2898^2 + 1457^2 .

It is a cyclic number.

It is not a de Polignac number, because 10521253 - 2⁵ = 10521221 is a prime.

It is a super-2 number, since 2×10521253² = 221393529380018, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10521253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10521263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5260626 + 5260627.

It is an arithmetic number, because the mean of its divisors is an integer number (5260627).

Almost surely, 2^10521253 is an apocalyptic number.

It is an amenable number.

10521253 is a deficient number, since it is larger than the sum of its proper divisors (1).

10521253 is an equidigital number, since it uses as much as digits as its factorization.

10521253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 10521253 is about 3243.6481005189. The cubic root of 10521253 is about 219.1236001552.

Adding to 10521253 its reverse (35212501), we get a palindrome (45733754).

The spelling of 10521253 in words is "ten million, five hundred twenty-one thousand, two hundred fifty-three".